The basic content, technological route and main methods of development of computer software in material forming filed were mentioned in this paper. The today and prospect were expressed.
阐述了材料成形领域中计算机软件开发的基本内容、技术路径和主要方法，进行了现状综述与前景展望。
The practice of tube bulge shows that the choice of loading route and forming limit of tube is important to the shape and quality of produce.
胀形生产实践表明，加载路径的选择和管坯的成形极限对管件成形及成形质量有着重要影响。
Finally, the forming reason of the route is analyzed.
最后分析了形成这种道路的原因。
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